SB Common Widget Properties

Section 15.9 Common Widget Properties

Each widget has a set of properties that define its visual appearance on the computer screen and how it responds to user events. There is a set of properties that all tk widgets have in common. Some of these are shown in the following table.

Remember that ttk widgets match the “look and feel” of the computer that is running your program, so there are limited attributes you can change for ttk widgets. See the ttk style attribute information at https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-style-layer.html if you want to modify ttk widgets.)

Table 15.9.1.

Common Widget Properties	Description
`bg`	Background color.
`fg`	Foreground color.
`width`	Width in pixels
`height`	Height in pixels
`borderwidth`	The size of the border in pixels.
`text`	Text displayed on the widget.
`font`	The font used for text on the widget.
`cursor`	The shape of the cursor when the cursor is over the widget.
`activeforeground`	The color of the text when the widget is activated.
`activebackground`	The color of the background when the widget is activated.
`image`	An image to be displayed on the widget.

You can treat a widget object as a dictionary and use the property names as keys to access and change the property values. For example, to change the background color and width of a widget whose object variable is named sam, you could do this:

sam = tk.Button(application_window, text="Sam's Button")
sam['bg'] = 'red'
sam['width'] = 60  # pixels

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